6.1 Exploring Earth's Surface(pg. 172)




Outline


Topography
  • Lewis/Clark traveled across n. america
    • 5.000 Kilometers
  • Topography determined by three factors
    • Elevation, relief, and location
Elevation
  • Lewis/Clark travelled to St. Lewis
    • 140 meters above sea level
Relief
  • Expedition-rocky mountains-changed relief
    • mountains-high, flat land-low